News & Insights
Cowan, Liebowitz & Latman Recognized Among Nation’s Top IP Law Firms in 2026 Best Law Firms Rankings- Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
- Advertising Law Alert--New York Regulates AI-Generated and Posthumous Images
- Native American Heritage Month From Sacred to Statutory — How Federal Law Shapes the Protection of Indigenous Sacred Sites and Artifacts
On My Mind Blog
Case Studies
The Second Circuit affirms summary judgment for our client.
Federal Circuit reverses cancellation of U.S. trademark registrations
We established that cigarette rolling paper size designations are generic.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
"From a legal perspective, Kieran is resolute, but he also has a creative side that enables him to think of original solutions for unusual situations. With his help, clients have developed solid portfolios and achieved victory in numerous settlements. He is an invaluable person to have on your side."
2025 WTR 1000 – The World’s Leading Trademark Professionals"Kieran G. Doyle is a well-known name in the intellectual property market who regularly advises leading brands on the full remit of trademark issues, and draws the praise of peers and clients for his 'high standard of service'."
2025 Lexology Index"Mary L. Kevlin is a renowned intellectual property lawyer owing to her open-ended skill in handling the full remit of trademark matters, as well as serving as a leading academic in the field."
2025 Lexology Index"Richard S. Mandel is a phenomenal intellectual property litigator, held in high esteem for deft handling of cases at the forefront of the industry, and is lauded by peers and clients as 'a strong thinker'."
2025 Lexology Index"Deborah Squiers is a powerhouse in trademark law, combining deep expertise with strategic finesse to deliver exceptional results for major global brands."
2025 Lexology Index
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
